/Engine/Source/Editor/UnrealEd/Public/Kismet2/CompilerResultsLog.h
Copy errors from an existing log into this one, and optionally write out to log if it was suppressed the first time
void Append ( [FCompilerResultsLog](API\Editor\UnrealEd\Kismet2\FCompilerResultsLog) const & Other, bool bWriteToSystemLog )